Write the expression in standard form.(4 + 2i)(4 + 3i)
A. 10 - 20i
B. 10 + 20i
C. 6i2 + 20i + 16
D. 22 - 4i
Answer: B
Mathematics
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Find the arc length parameter along the curve from the point where t = 0 by evaluating 
r(t) = (1 + 2t)i + (1 + 7t)j + (4 - 4t)k
A. 
t
B. 
t
C. 2
t
D. 
t
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Use the Gauss-Jordan method to find A-1, if it exists.A = 
A. 
B. 
C. 
D. Does not exist
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Convert the Hindu-Arabic numeral to Egyptian form.1100
A. 
B. 
C. 
D. 
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Simplify the complex rational expression.
A. 
B. 
C. 
D. 
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